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watcha-synapse
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watcha-synapse/tests/storage/test_redaction.py

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# -*- coding: utf-8 -*-
# Copyright 2014-2016 OpenMarket Ltd
# Copyright 2019 The Matrix.org Foundation C.I.C.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from mock import Mock
from canonicaljson import json
from twisted.internet import defer
from synapse.api.constants import EventTypes, Membership
from synapse.api.room_versions import RoomVersions
from synapse.types import RoomID, UserID
from tests import unittest
from tests.utils import create_room
class RedactionTestCase(unittest.HomeserverTestCase):
def make_homeserver(self, reactor, clock):
config = self.default_config()
config["redaction_retention_period"] = "30d"
return self.setup_test_homeserver(
resource_for_federation=Mock(), http_client=None, config=config
)
def prepare(self, reactor, clock, hs):
self.store = hs.get_datastore()
self.storage = hs.get_storage()
self.event_builder_factory = hs.get_event_builder_factory()
self.event_creation_handler = hs.get_event_creation_handler()
self.u_alice = UserID.from_string("@alice:test")
self.u_bob = UserID.from_string("@bob:test")
self.room1 = RoomID.from_string("!abc123:test")
self.get_success(
create_room(hs, self.room1.to_string(), self.u_alice.to_string())
)
self.depth = 1
def inject_room_member(
self, room, user, membership, replaces_state=None, extra_content={}
):
content = {"membership": membership}
content.update(extra_content)
builder = self.event_builder_factory.for_room_version(
RoomVersions.V1,
{
"type": EventTypes.Member,
"sender": user.to_string(),
"state_key": user.to_string(),
"room_id": room.to_string(),
"content": content,
},
)
event, context = self.get_success(
self.event_creation_handler.create_new_client_event(builder)
)
self.get_success(self.storage.persistence.persist_event(event, context))
return event
def inject_message(self, room, user, body):
self.depth += 1
builder = self.event_builder_factory.for_room_version(
RoomVersions.V1,
{
"type": EventTypes.Message,
"sender": user.to_string(),
"state_key": user.to_string(),
"room_id": room.to_string(),
"content": {"body": body, "msgtype": "message"},
},
)
event, context = self.get_success(
self.event_creation_handler.create_new_client_event(builder)
)
self.get_success(self.storage.persistence.persist_event(event, context))
return event
def inject_redaction(self, room, event_id, user, reason):
builder = self.event_builder_factory.for_room_version(
RoomVersions.V1,
{
"type": EventTypes.Redaction,
"sender": user.to_string(),
"state_key": user.to_string(),
"room_id": room.to_string(),
"content": {"reason": reason},
"redacts": event_id,
},
)
event, context = self.get_success(
self.event_creation_handler.create_new_client_event(builder)
)
self.get_success(self.storage.persistence.persist_event(event, context))
return event
def test_redact(self):
self.get_success(
self.inject_room_member(self.room1, self.u_alice, Membership.JOIN)
)
msg_event = self.get_success(self.inject_message(self.room1, self.u_alice, "t"))
# Check event has not been redacted:
event = self.get_success(self.store.get_event(msg_event.event_id))
self.assertObjectHasAttributes(
{
"type": EventTypes.Message,
"user_id": self.u_alice.to_string(),
"content": {"body": "t", "msgtype": "message"},
},
event,
)
self.assertFalse("redacted_because" in event.unsigned)
# Redact event
reason = "Because I said so"
self.get_success(
self.inject_redaction(self.room1, msg_event.event_id, self.u_alice, reason)
)
event = self.get_success(self.store.get_event(msg_event.event_id))
self.assertEqual(msg_event.event_id, event.event_id)
self.assertTrue("redacted_because" in event.unsigned)
self.assertObjectHasAttributes(
{
"type": EventTypes.Message,
"user_id": self.u_alice.to_string(),
"content": {},
},
event,
)
self.assertObjectHasAttributes(
{
"type": EventTypes.Redaction,
"user_id": self.u_alice.to_string(),
"content": {"reason": reason},
},
event.unsigned["redacted_because"],
)
def test_redact_join(self):
self.get_success(
self.inject_room_member(self.room1, self.u_alice, Membership.JOIN)
)
msg_event = self.get_success(
self.inject_room_member(
self.room1, self.u_bob, Membership.JOIN, extra_content={"blue": "red"}
)
)
event = self.get_success(self.store.get_event(msg_event.event_id))
self.assertObjectHasAttributes(
{
"type": EventTypes.Member,
"user_id": self.u_bob.to_string(),
"content": {"membership": Membership.JOIN, "blue": "red"},
},
event,
)
self.assertFalse(hasattr(event, "redacted_because"))
# Redact event
reason = "Because I said so"
self.get_success(
self.inject_redaction(self.room1, msg_event.event_id, self.u_alice, reason)
)
# Check redaction
event = self.get_success(self.store.get_event(msg_event.event_id))
self.assertTrue("redacted_because" in event.unsigned)
self.assertObjectHasAttributes(
{
"type": EventTypes.Member,
"user_id": self.u_bob.to_string(),
"content": {"membership": Membership.JOIN},
},
event,
)
self.assertObjectHasAttributes(
{
"type": EventTypes.Redaction,
"user_id": self.u_alice.to_string(),
"content": {"reason": reason},
},
event.unsigned["redacted_because"],
)
def test_circular_redaction(self):
redaction_event_id1 = "$redaction1_id:test"
redaction_event_id2 = "$redaction2_id:test"
class EventIdManglingBuilder:
def __init__(self, base_builder, event_id):
self._base_builder = base_builder
self._event_id = event_id
@defer.inlineCallbacks
def build(self, prev_event_ids):
built_event = yield self._base_builder.build(prev_event_ids)
built_event._event_id = self._event_id
built_event._dict["event_id"] = self._event_id
assert built_event.event_id == self._event_id
return built_event
@property
def room_id(self):
return self._base_builder.room_id
event_1, context_1 = self.get_success(
self.event_creation_handler.create_new_client_event(
EventIdManglingBuilder(
self.event_builder_factory.for_room_version(
RoomVersions.V1,
{
"type": EventTypes.Redaction,
"sender": self.u_alice.to_string(),
"room_id": self.room1.to_string(),
"content": {"reason": "test"},
"redacts": redaction_event_id2,
},
),
redaction_event_id1,
)
)
)
self.get_success(self.storage.persistence.persist_event(event_1, context_1))
event_2, context_2 = self.get_success(
self.event_creation_handler.create_new_client_event(
EventIdManglingBuilder(
self.event_builder_factory.for_room_version(
RoomVersions.V1,
{
"type": EventTypes.Redaction,
"sender": self.u_alice.to_string(),
"room_id": self.room1.to_string(),
"content": {"reason": "test"},
"redacts": redaction_event_id1,
},
),
redaction_event_id2,
)
)
)
self.get_success(self.storage.persistence.persist_event(event_2, context_2))
# fetch one of the redactions
fetched = self.get_success(self.store.get_event(redaction_event_id1))
# it should have been redacted
self.assertEqual(fetched.unsigned["redacted_by"], redaction_event_id2)
self.assertEqual(
fetched.unsigned["redacted_because"].event_id, redaction_event_id2
)
def test_redact_censor(self):
"""Test that a redacted event gets censored in the DB after a month
"""
self.get_success(
self.inject_room_member(self.room1, self.u_alice, Membership.JOIN)
)
msg_event = self.get_success(self.inject_message(self.room1, self.u_alice, "t"))
# Check event has not been redacted:
event = self.get_success(self.store.get_event(msg_event.event_id))
self.assertObjectHasAttributes(
{
"type": EventTypes.Message,
"user_id": self.u_alice.to_string(),
"content": {"body": "t", "msgtype": "message"},
},
event,
)
self.assertFalse("redacted_because" in event.unsigned)
# Redact event
reason = "Because I said so"
self.get_success(
self.inject_redaction(self.room1, msg_event.event_id, self.u_alice, reason)
)
event = self.get_success(self.store.get_event(msg_event.event_id))
self.assertTrue("redacted_because" in event.unsigned)
self.assertObjectHasAttributes(
{
"type": EventTypes.Message,
"user_id": self.u_alice.to_string(),
"content": {},
},
event,
)
event_json = self.get_success(
self.store.db.simple_select_one_onecol(
table="event_json",
keyvalues={"event_id": msg_event.event_id},
retcol="json",
)
)
self.assert_dict(
{"content": {"body": "t", "msgtype": "message"}}, json.loads(event_json)
)
# Advance by 30 days, then advance again to ensure that the looping call
# for updating the stream position gets called and then the looping call
# for the censoring gets called.
self.reactor.advance(60 * 60 * 24 * 31)
self.reactor.advance(60 * 60 * 2)
event_json = self.get_success(
self.store.db.simple_select_one_onecol(
table="event_json",
keyvalues={"event_id": msg_event.event_id},
retcol="json",
)
)
self.assert_dict({"content": {}}, json.loads(event_json))
def test_redact_redaction(self):
"""Tests that we can redact a redaction and can fetch it again.
"""
self.get_success(
self.inject_room_member(self.room1, self.u_alice, Membership.JOIN)
)
msg_event = self.get_success(self.inject_message(self.room1, self.u_alice, "t"))
first_redact_event = self.get_success(
self.inject_redaction(
self.room1, msg_event.event_id, self.u_alice, "Redacting message"
)
)
self.get_success(
self.inject_redaction(
self.room1,
first_redact_event.event_id,
self.u_alice,
"Redacting redaction",
)
)
# Now lets jump to the future where we have censored the redaction event
# in the DB.
self.reactor.advance(60 * 60 * 24 * 31)
# We just want to check that fetching the event doesn't raise an exception.
self.get_success(
self.store.get_event(first_redact_event.event_id, allow_none=True)
)
def test_store_redacted_redaction(self):
"""Tests that we can store a redacted redaction.
"""
self.get_success(
self.inject_room_member(self.room1, self.u_alice, Membership.JOIN)
)
builder = self.event_builder_factory.for_room_version(
RoomVersions.V1,
{
"type": EventTypes.Redaction,
"sender": self.u_alice.to_string(),
"room_id": self.room1.to_string(),
"content": {"reason": "foo"},
},
)
redaction_event, context = self.get_success(
self.event_creation_handler.create_new_client_event(builder)
)
self.get_success(
self.storage.persistence.persist_event(redaction_event, context)
)
# Now lets jump to the future where we have censored the redaction event
# in the DB.
self.reactor.advance(60 * 60 * 24 * 31)
# We just want to check that fetching the event doesn't raise an exception.
self.get_success(
self.store.get_event(redaction_event.event_id, allow_none=True)
)